氨基

This invention discloses a method for synthesizing terephthalaldhydic acid semicarbazone.

一种氨基脲的衍生物氨基脲缩对醛基苯甲酸的合成方法，属于生物化工技术领域。

The reactions that isocyanate reacted to cellulose, semicellulose, lignin, and water in timber to form the urethane and urea are basic knowledge for the adhesion of isocyanate-terminated polyurethane resins to wood. It has significant meaning to understand that different quantity of urethane and urea affect the strength of adhesive bond.

异氰酸酯基与木材中的纤维素、木素、半纤维素和水在一定条件下生成氨基甲酸酯和取代脲的反应是聚氨酯胶粘剂与木材胶接的基础反应，研究氨基甲酸酯和取代脲的生成量对胶接强度的影响具有积极的理论意义和实践指导价值。

The study evaluated the influence of the two different polyol's raw material origins and the different dispersing additives in the polyurethane coatings formulations on the weathering resistance by glossmetry, spectrocolorimetry, chalking test, infrared spectroscopy etc. The influence of light stabilizer and dispersant on the degradation characteristerics of polyurethane coating has also been evaluated. Ultraviolet radiation from sunlight causes the chalking of resin and the fading of pigment by breaking down the chemical bonds in coatings.

本实验将配制成不同灰色聚氨基甲酸酯涂料配方，加入硬化剂后涂装在试片上，待自然风乾后，制成不同配方涂膜试片，进行加速风化耐候利睑、光泽度、分光色差、粉化、红外线光谱仪等测试，探讨不同的聚醇树脂原料来源，与不同的润湿分散添加剂种类，对於聚氨基甲酸酯涂料耐候性质的影响。

The present invention concerns the compounds having the formula N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs, esters and metabolites thereof, wherein R1 and R8 each are H, optionally substituted C1-6alkyl, C2-6alkenyl, C3-7cycloalkyl, aryl, Het1, Het2; R1 may also be a radical of formula (R11aR11b)NC(R10aR10b)CR9-; t is 0, 1 or 2; R2 is H or C1-6alkyl; L is -C-,-O-C-,-NR8-C-,-O-C1-6alkanediyl-C-,-NR8-C1-6alkanediyl-C-,-S2-,-O-S2-,-NR8-S2 ; R3 is C1-6alkyl, aryl, C3-7cycloalkyl, C3-7cycloalkylC1-4alkyl, or arylC1-4alkyl; R4 is H, C1-4alkylOC, carboxyl, aminoC, mono- or di(C1-4alkyl)aminoC, C3-7cycloalkyl, C2-6alkenyl, C2-6alkynyl or optionally substituted C1-6alkyl; R5 and R6 are H or C1-6alkyl.

本发明涉及右式化合物其N-氧化物、盐、立体异构形式、外消旋混合物、前药、酯及代谢物，其中R 1 及R 8 各是氢、C 1-6 烷基、C 2-6 烯基、C 3-7 环烷基、芳基、Het 1 、Het 2 ；R 1 也可以是式(R 11a R 11b )NC(R 10A R 10b )CR 9 -之基；t是0、1或2；R 2 是氢或C 1-6 烷基；L是-C-、-O-C-、-NR 8 -C-、-O-C 1-6 烷二基-C-、-NR 8 -C 1-6 烷二基-C-、-S 2 -，-O-S 2 -、-NR 8 -S 2 -；R 3 是C 1-6 烷基、芳基、C 3-7 环烷基、C 3-7 环烷基C 1-4 烷基或芳基C 1-4 烷基；R 4 是氢、C 1-4 烷基OC、羧基、氨基C、一-或二(C 1-4 烷基)氨基C、C 3-7 环烷基、C 2-6 烯基、C 2-6 炔基或任选被取代的C 1-6 烷基；R 5 及R 6 是氢或C 1-6 烷基。

The Company has been established for 20 years, and is continuously specialized in precise galvanization, coupling and lead frame galvanization, printed wiring board galvanization, hardware galvanization, nickel cobalt alloy electrolytic casting, profession products, and aluminum material surface treatment etc. Products include thionamic nickel sulfamate, cobalt sulfamate, nickel carbonate basic, cobalt carbonate basic, nickel acetate, and cobalt acetate etc.

公司成立20年来，一直为精密电镀、连接器与引线框架电镀、印刷电路板电镀、五金电镀、镍钴合金电铸、铝材表面处理等行业产品提供高品质的氨基磺酸镍、氨基磺酸钴、碱式碳酸镍、碱式碳酸钴、醋酸镍、醋酸钴等产品。

The corrosion rates of iron in 0.5～2N sulfamic acid of 25～70℃ are investigated by the conventional gravimetric method and by chemical analysis, Based on the experimental data,the several kinetic parameters of iron in sulfamic acid have been calculated,such as rate constant,activation energy,frequency factorand another constant,with the empericat equation put forward by Mathur.

本工作用腐蚀失重和化学分析方法研究了铁在0.5～2N 氨基磺酸溶液中，在25～70℃条件下的腐蚀速率。根据这些腐蚀速率数据，利用 Mathur 提出的经验公式计算出铁在氨基磺酸溶液中腐蚀反应的动力学参数 K、B、E和 A。

The simultaneous determination of sulfamic acid and DL-malic acid in environmental friendly electropolishing solution by ion chromatography was described. Sulfamic acid and DL-malic acid were well separated by using Metrosep A Supp 5 150 anion exchange column for separation and 3.2 mmol/L Na2CO3-1.0 mmol/L NaHCO3 as eluent.

采用Metrosep A Supp5150阴离子分离柱，以3.2mmol/L Na2CO3-1.0mmol/L NaHCO3为淋洗液，氨基磺酸和DL-苹果酸可得到很好的分离，使用离子色谱为检测手段可实现环保型电镀抛光液中氨基磺酸和DL-苹果酸的同时测定。

Keywords acylhydrazone;sulfamic acid;N-aminophthalimide;fine chemical intermediate

酰腙； 氨基磺酸； N-氨基邻苯二甲酰亚胺；精细化工中间体

Preliminary experiments show that the rate of condensation of sulfanilic acid with 4-[4-(4-Ni-tro-2-sulfostyryl)-3-sulfophenyl-azo]-3-methyl-1-phenyl-5-pyrazolol is slower than those of p-phenylene diamine a...

对氨基苯磺酸和4-[4-(4-硝基-2磺基苯乙烯)-3-磺基苯偶氮]-1-苯-3-甲-5-羟吡唑在稀的氢氧化钠溶液中缩合的速度，较对苯二胺及对氨基苯甲酸为慢。

Bombyx mori silk fibroin film was treated by plasma processes with SO 2 gas to introduce functional groups on the surface of film. Meanwhile, functional groups were also introduced by the reaction of 1,3 propane sultone with amine sites on the surface of silk fibroin film which were produced by NH 3 gas plasma.

从蚕丝中提取的丝素蛋白制备成薄膜，首次采用二氧化硫等离子体处理在材料表面引入磺酸基团；同时丝素蛋白膜用氨气等离子体处理后在表面接入氨基，利用 1，3 丙磺酸内酯与氨基的反应在材料表面接枝磺酸基团。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新